Markdown Viewer Editor

Markdown Viewer Editor — a powerful Markdown editor and viewer for Android. Write notes, documentation, and long-form content with a clean, Typora-inspired workflow: switch between WYSIWYG editing, source mode with line numbers, live preview, or a split view—all in one app. CORE EDITING • Rich Markdown editing with a formatting toolbar (headings, lists, tables, code, links, images, and more) • Four modes: WYSIWYG, Source, Preview, and Split • Focus mode and typewriter mode for distraction-free writing • Find & replace with regex support; search across open documents • Outline panel for quick navigation by headings MARKDOWN & RICH CONTENT • Full Markdown support including fenced code blocks with syntax highlighting • Table of contents via [TOC] • YAML front matter rendered as metadata • GitHub-style alerts (NOTE, TIP, WARNING, and more) • Footnotes, highlights, superscript/subscript • KaTeX math: inline $...$ and block $$...$$ • Mermaid diagrams (flowcharts, sequence diagrams, Gantt, and more) • Useful HTML embeds in preview (video, audio, details, and more) • Copy code blocks to clipboard with one tap FILES & WORKSPACE • Open, save, and save-as; multi-tab editing • Folder tree, flat file list, sorting, and quick open (fuzzy file search) • Recent files on the welcome screen • Auto-save with debounce (configurable); draft recovery after crashes • External file change detection with reload prompts IMAGES & MEDIA • Paste images from clipboard; drag-and-drop where supported • Relative/absolute image paths; configurable image storage folder • Optional image upload via configurable shell command (e.g., PicGo-style workflows) EXPORT & IMPORT • Export to HTML (with GitHub-style styling options), PDF, Word (.docx), LaTeX (.tex), EPUB, and long PNG • Import Word (.docx) to Markdown (basic conversion) • Custom export shell templates; save Mermaid renders as PNG VERSION CONTROL & SYNC • Git history viewer for the current file • Optional Git auto-sync on save (commit, pull --rebase, push) with status in the UI OPTIONAL WRITING ASSISTANT (BYO API) • Optional panel for compatible HTTP “chat completions” style endpoints—bring your own base URL, model name, and credentials. No built-in vendor; fully user-configured. Streaming responses supported for continue, summarize, translate, polish, explain, and custom prompts. LOOK & FEEL • Twelve built-in themes (light and dark), system or manual theme • Custom preview CSS; adjustable font size and zoom • Fullscreen; English/Chinese UI in settings Perfect for developers, students, technical writers, and anyone who wants a serious Markdown app on Android—offline-friendly editing with optional sync and export when you need it. Keywords users search for: markdown editor, markdown notes, md file editor, technical writing, documentation, KaTeX math, Mermaid diagram, PDF export, EPUB export, split markdown editor, dark mode markdown, git markdown.